Let |rl = 6 at an angle of 30° and s = 11 at an angle of 225°. Which expression represents Ir - sl? V62 +112 - 2(6)(11) cos(150)

V62 + 112 - 2(6)(11) cos(45°)

V62 + 112 -2(6)(11) cos(1659)

V62 + 112 -2(6)(11) cos(255°)

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]